.qz-zoom {
  width: 350px;
  position: relative;
  &__mid {
    border: 1px solid #ccc;
    &:hover {
      .qz-zoom__big {
        display: block;
      }
      .qz-zoom__mask {
        visibility: visible;
      }
    }
  }
  &__big {
    position: absolute;
    top: 0;
    left: 349px;
    border: 1px solid #ccc;
    width: 571.42px;
    height: 571.42px;
    overflow: hidden;
    display: none;
  }
  &__ul {
    transition: all 0.5s;
  }
  &__li {
    float: left;
    width: 50px;
    height: 50px;
    margin: 10px;
    &.is-selected {
      border: 2px solid red;
      img {
        width: 100%;
      }
    }
  }
  &__list {
    width: 280px;
    overflow: hidden;
  }
  &__sm {
    margin-top: 18px;
  }
  &__lbtn, &__rbtn {
    padding-top: 18px;
  }
  &__rbtn {
    text-align: right;
  }
  &__mask {
    position: absolute;
    left: 0;
    top: 0;
    border: 1px solid #ccc;
    width: 250px;
    height: 250px;
    background-color: #ffefa7;
    cursor: move;
    visibility: hidden;
  }
}